Ruuko is a female new member of Tsubasa Trading Company. When she is depressed for her senior's bullying and dull tasks, she meets a ghost called 'Hanako-san in the locker room'. Though Hanako-san had been an able staff, she died eleven years ago and became a ghost. While Hanako-san help troubled female staff, Ruuko and her colleague try for Hanko-san to rest in peace.